ADSP-21161NKCA-100 Analog Devices Inc, ADSP-21161NKCA-100 Datasheet - Page 25

• Manufacturer Part Number: ADSP-21161NKCA-100
• Description: IC, FLOAT-PT DSP, 32BIT, 100MHZ, MBGA225
• Manufacturer: Analog Devices Inc
• Series: SHARCr
• Type: Fixed/Floating Pointr

Specifications of ADSP-21161NKCA-100

• No. Of Bits: 32 Bit
• Frequency: 100MHz
• Supply Voltage: 1.8V
• Embedded Interface Type: HPI, SPI
• No. Of I/o's: 12
• Supply Voltage Range: 1.71V To 1.89V, 3.13V To 3.47V
• Rohs Status: RoHS non-compliant
• Interface: Host Interface, Link Port, Serial Port
• Clock Rate: 100MHz
• Non-volatile Memory: External
• On-chip Ram: 128kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.80V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 225-MBGA, 225-Mini-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: ADSP-21161NKCA100

Clock Signals
The ADSP-21161N can use an external clock or a crystal. See
CLKIN pin description. The programmer can configure the
ADSP-21161N to use its internal clock generator by connecting
Reset
Table 12. Reset
1
2
Parameter
Timing Requirements
t
t
Applies after the power-up sequence is complete.
Only required if multiple ADSP-21161Ns must come out of reset synchronous to CLKIN with program counters (PC) equal. Not required for multiple ADSP-21161Ns
WRST
SRST
communicating over the shared bus (through the external port), because the bus arbitration logic synchronizes itself automatically after reset.
RESET Pulsewidth Low
RESET Setup Before CLKIN High
CLKIN
RESET
Figure 16. 100 MHz Operation (Fundamental Mode Crystal)
1
SUGGESTED COMPONENTS FOR 100MHz OPERATION:
ECLIPTEK EC2SM-25.000M (SURFACE MOUNT PACKAGE)
ECLIPTEK EC-25.000M (THROUGH-HOLE PACKAGE)
C1 = 27pF
C2 = 27pF
NOTE: C1 AND C2 ARE SPECIFIC TO CRYSTAL SPECIFIED FOR X1.
CONTACT CRYSTAL MANUFACTURER FOR DETAILS. THIS 25MHz
CRYSTAL GENERATES A 100MHz CCLK AND A 50MHz EP CLOCK
WITH CLKDBL ENABLED AND A 2:1 PLL MULTIPLY RATIO.
C1
27pF
CLKIN
2
Rev. B | Page 25 of 60 | November 2009
Figure 17. Reset
t
X1
WRST
Min
4t
8.5
CK
XTAL
the necessary components to CLKIN and XTAL.
shows the component connections used for a crystal operating
in fundamental mode.
C2
27pF
t
Max
SRST
ADSP-21161N
Unit
ns
ns
Figure 16